Key Takeaways - SlideShare (DA 95), Visual.ly, and Issuu pass genuine dofollow link equity — Pinterest and Imgur are nofollow but drive discovery traffic that earns secondary editorial backlinks - Google Image Search accounts for 22.6% of all Google searches per StatCounter's 2025 data — a systematically underused traffic channel for most content marketers - Infographics earn 3x more social shares than other content formats per Venngage's 2025 Visual Content Marketing Report — making them the highest-ROI asset for image submission campaigns - The hub-and-spoke model: image platforms act as high-DA satellites that drive referral and Google Image Search traffic to your original content, which in turn earns editorial backlinks from researchers and writers - Systematic submission to 20-25 optimized platforms generates 150-400 additional Google Image Search impressions per day within 45 days
The Infographic Case Study That Changed How I Think About Image SEO
In Q3 2024, a payroll software startup we worked with published a single infographic: "What the Average U.S. Salary Looks Like After Taxes — By State." The underlying data wasn't proprietary — it came from Bureau of Labor Statistics annual occupational employment surveys combined with state income tax tables, all publicly available. The visual execution was clean but not exceptional. No custom illustration, no elaborate design agency work.
Over the following eight months, that infographic generated 211 backlinks from 89 unique referring domains: a DR 64 editorial link from a major HR publication, citations from 12 state-government-adjacent sites, and dozens of blog embeds from HR and finance writers who found the graphic through Google Image Search.
The distribution decision that made the difference: the team submitted the infographic to 22 image sharing platforms within 72 hours of publication. Google Image Search began surfacing the graphic for "average salary by state" queries within three weeks. Writers sourcing statistics for HR and compensation articles found it there, embedded it, and linked back with attribution.
This is the hub-and-spoke model of infographic SEO — and it explains why image sharing platforms remain a viable link building channel despite the widespread assumption that they've been obsolete since 2015.
Why Image Platforms Still Generate Real SEO Value in 2026
The standard objection: "Most image platforms are nofollow, so what's the point?" This misses how link value actually works beyond direct PageRank transfer.
Google has confirmed through multiple public statements and its quality rater guidelines that branded mentions, referral traffic patterns, and entity associations across authoritative platforms contribute to its assessment of content quality and E-E-A-T signals. Image sharing platforms generate three distinct SEO benefits even when nofollow:
Google Image Search indexation — Per StatCounter's 2025 search volume analysis, Google Images accounts for 22.6% of all Google searches — the second-largest search type after web search. A properly optimized infographic on a high-DA platform ranks in Google Image Search independently of your own site's domain authority, creating a secondary traffic channel that most competitors ignore. When editorial writers and bloggers use Google Images to source visual content for articles, they find your infographic — and the best ones embed it with a backlink attribution.
Branded mention signals — High-DA platforms indexing your brand name and content URL create search result instances that reinforce Google's brand association algorithms. Consistent brand mentions across authoritative platforms are documented quality signals under Google's E-E-A-T framework.
Referral traffic that generates editorial discovery — Backlinko's analysis of 11.8 million Google search results found that pages with more referral traffic sources ranked significantly higher, suggesting that indirect link generation from referral discovery is a real signal. Pinterest and Imgur don't pass PageRank directly, but the editorial writers who embed your infographic after discovering it on Pinterest do.
The dofollow exceptions — platforms that do pass equity directly — are worth identifying and prioritizing in any systematic campaign.
Which Image Platforms Pass Dofollow Links (and Which Don't)
Based on direct link attribute testing across 25+ platforms, confirmed against Ahrefs link attribute data as of early 2026:
| Platform | Domain Authority | Link Type | Dofollow Source | Primary SEO Benefit | |---|---|---|---|---| | SlideShare | DA 95 | Dofollow | Profile + content description | B2B infographics, highest dofollow value | | Flickr | DA 93 | Mixed | Profile URL (dofollow) | Photography, infographics, broad audience | | Pinterest | DA 94 | Nofollow | None | Discovery traffic, Google Image Search ranking | | Imgur | DA 86 | Nofollow | None | Viral potential, Reddit syndication | | DeviantArt | DA 84 | Mixed | Profile URL (dofollow) | Design/creative audiences | | 500px | DA 83 | Mixed | Profile URL (dofollow) | Photography professionals | | Issuu | DA 92 | Dofollow | Profile + content | Document/infographic PDFs | | Visual.ly | DA 65 | Dofollow | Profile + submission page | Infographic-specific platform | | Infogram | DA 78 | Mixed | Profile (dofollow) | Data visualization, interactive content | | Behance | DA 91 | Mixed | Profile URL (dofollow) | Design portfolios, creative work | | Dribbble | DA 91 | Nofollow | None | Design community, visual brand awareness | | Pixabay | DA 87 | Mixed | Profile URL (dofollow) | Photography, creative commons distribution | | Unsplash | DA 88 | Mixed | Profile URL (dofollow) | Photography, brand exposure | | Pexels | DA 82 | Mixed | Profile URL (dofollow) | Photography reach | | Tumblr | DA 89 | Nofollow | None | Creative niches, social sharing | | Reddit (r/dataisbeautiful) | DA 91 | Nofollow | None | Viral data visuals, discovery | | Canva | DA 89 | Nofollow | None | Template visibility, design reach | | ImageShack | DA 77 | Nofollow | None | General image hosting | | Photobucket | DA 79 | Mixed | Profile (dofollow) | Legacy image hosting |
Priority dofollow targets: SlideShare, Visual.ly, Issuu, Flickr (profile URL), 500px (profile URL), Pixabay (profile URL), DeviantArt (profile URL), and Unsplash (profile URL). These generate direct link equity alongside discovery traffic.
For nofollow platforms, the strategic value is Google Image Search ranking, referral traffic generation, and editorial discovery — not direct PageRank. Pinterest, Imgur, and Reddit are worth the submission for their scale and viral potential.
A Note on Profile vs. Content Links
Many platforms pass dofollow links through the profile page (where you list your website URL) rather than through individual image or content pages. This means: completing your profile fully on every platform is mandatory, not optional. A Flickr account with an incomplete profile and no website URL listed generates zero dofollow equity regardless of how much content you upload.
Prioritize profile completion on these platforms before uploading any content: SlideShare, Flickr, 500px, Pixabay, Unsplash, Pexels, DeviantArt, Behance, and Photobucket.
Creating Infographics That Actually Earn Backlinks
Not all infographics earn editorial links. The ones that do share three characteristics identified in HubSpot's 2025 content performance analysis of 6,192 blog posts and content marketing campaigns:
1. Original or re-visualized data — Infographics that make publicly available but difficult-to-digest data immediately comprehensible consistently outperform educational or explanatory infographics. The payroll startup example worked because BLS salary data is technically public but practically inaccessible — the infographic translated an annual PDF report into something embeddable. Writers sourcing statistics need a precise visual reference, not a general explainer.
2. Specific claims, not general themes — "Average U.S. Salary After Taxes by State" outperforms "Understanding the U.S. Economy" in link acquisition because it answers a specific search query with a single embeddable visual. Specificity creates the editorial utility that earns citations.
3. Embed code distribution — Providing a pre-built embed code snippet with attribution link to the original source URL is the highest-ROI distribution tactic for infographics. Per Fractl's analysis of 220 infographic campaigns, infographics distributed with ready-made embed codes generated 3.2x more organic editorial backlinks than those distributed without one. The mechanism: editors who want to use your infographic don't have to figure out the attribution — you've made it frictionless.
Infographic Formats Ranked by Link Acquisition Performance
Based on Venngage's 2025 Visual Content Marketing Report surveying 700+ marketers on content performance:
- Statistical infographics (data visualizations with numbered findings): Highest link-to-view ratio — 68% of surveyed marketers report these earn the most backlinks from editorial sources
- Comparison infographics: High editorial citation rate — journalists use side-by-side comparisons when writing market analysis pieces
- Timeline/process infographics: Strong in B2B niches where step-by-step processes are frequently cited in instructional content
- Map infographics: Geographic data visuals rank well in Google Image Search and earn citations from regional publications looking for state/country-specific data
How to Optimize Each Submission for Maximum SEO Value
Platform-specific optimization matters more than volume. Submitting 50 platforms with weak optimization underperforms 15 platforms with thorough execution.
File Optimization (Before Uploading Anywhere)
- File name: Replace generic names (image001.jpg) with descriptive keyword-based names (average-us-salary-after-taxes-by-state-2026.jpg). Google's image indexation algorithm uses file names as a topical relevance signal per Google Search Central's image indexing documentation.
- Alt text: Write descriptive alt text including your target keyword naturally. Complete every alt text field every platform offers.
- File size: Keep infographics under 1MB. Google Image Search penalizes slow-loading images in image pack rankings per Core Web Vitals documentation. Use tools like Squoosh or TinyPNG before upload.
- Dimensions: Minimum 1200px wide for infographics. Taller formats (2:1 to 4:1 aspect ratio) perform better on Pinterest; wider formats (16:9) perform better on SlideShare and presentation platforms.
Profile Optimization (One-Time Setup, High Leverage)
Complete every available profile field on high-DA platforms. Specifically: - Website URL field: Include full URL with https:// — this is the dofollow link source on dofollow-enabled platforms - Bio/About: Include brand name naturally, your expertise, and the types of content you publish - Consistent NAP (Name, Address, Phone) if your business has a local component — image platform profiles contribute to local citation signals
Content Optimization (Per Upload)
- Title: Search-query-oriented ("Average Salary by State 2026 — Infographic") over descriptive ("Our New Salary Visualization"). Keyword in the title is a ranking signal in platform search and Google Image Search.
- Description: Minimum 150 words on platforms supporting long descriptions. Include your target keyword naturally, credit data sources explicitly, and include a direct URL to the original content page.
- Tags: 10-15 tags mixing broad category terms (infographic, data visualization) with specific topic tags (BLS data, state income tax, US salary). Tag completion directly affects platform recommendation engine pickup.
- Website link: On every platform permitting URLs in descriptions, include a direct link to the source page. Even on nofollow platforms, this drives referral traffic and establishes the attribution chain.
The Submission Workflow: Priority Order and Time Estimates
Submit in this priority sequence to maximize equity and traffic in the first 30 days:
Tier 1 — Submit first (0-48 hours post-publication): SlideShare, Visual.ly, Issuu, Flickr, Pinterest, Imgur, Reddit (relevant subreddits: r/dataisbeautiful, r/infographics, niche subreddits)
Tier 2 — Submit within 72 hours: 500px, Pixabay, Unsplash, DeviantArt, Behance, Dribbble (for design-adjacent content), Tumblr
Tier 3 — Submit within 7 days: Remaining platforms: Infogram, Canva (if template-adaptable), Photobucket, ImageShack, and any niche-specific image communities relevant to your content topic
Time estimates with a prepared asset package (optimized title, descriptions, tags, thumbnail): - Tier 1 platforms: 20-30 minutes each - Tier 2 platforms: 10-15 minutes each - Tier 3 platforms: 5-10 minutes each
For the directory component of your link building strategy — which creates the topically diverse backlink base that image submission complements — Backlynk's submission tool covers 1,900+ directories across industry categories and eliminates the manual overhead from that channel.
Measuring ROI: What to Track and When to Expect Results
Track these metrics at 30, 60, and 90-day intervals after your submission campaign:
Direct metrics: - New referring domains from image platforms (track via Backlynk's link analyzer) - Referral sessions in GA4: Source/Medium report filtered to image platform domains - Google Image Search impressions and clicks: GSC Performance report, filter to "Image" search type
Indirect metrics: - Editorial backlinks citing your infographic as a source (identifiable by anchor text matching your infographic's headline or data claims) - Branded search query impressions: GSC Queries report — track brand name impressions 30/60/90 days post-campaign
Realistic 90-day benchmarks for a well-executed infographic campaign across 20-25 platforms: - 15-40 direct platform profile links within 60 days - 150-400 Google Image Search impressions per day by day 45 - 2-8 earned editorial backlinks within 90 days from writers discovering the infographic through image search - Measurable referral traffic from Pinterest within 30-60 days as content accumulates repins
Frequently Asked Questions
Do image sharing sites actually help SEO in 2026? Yes, through indirect mechanisms primarily. Most platforms use nofollow links, limiting direct PageRank transfer to a subset (SlideShare, Visual.ly, Issuu, Flickr profiles, select photography platforms). The primary value comes from Google Image Search indexation — 22.6% of all Google searches per StatCounter 2025 — referral traffic generating editorial discovery, and branded mention signals contributing to E-E-A-T authority signals.
Which image sharing sites pass dofollow links? Confirmed dofollow sources as of 2026: SlideShare (profile and content description links), Visual.ly, Issuu, Flickr (profile URL), 500px (profile URL), Pixabay (profile URL), Unsplash (profile URL), DeviantArt (profile URL), and Photobucket (profile). These should be your first submission targets since they directly pass link equity alongside discovery traffic.
How many image platforms should I submit to? Prioritize 15-25 high-DA platforms with thorough optimization over bulk submission to 100+ platforms with weak execution. Quality of optimization — complete profiles, descriptive titles, detailed descriptions with source URLs — determines search indexation and referral traffic far more than platform volume alone.
What makes an infographic earn backlinks rather than just views? Original data that answers a specific search query is the primary factor. Infographics that visualize publicly available but difficult-to-digest data (government statistics, academic research, proprietary surveys) earn citations because editorial writers need embeddable visual references for their articles. Generic educational infographics get shared but rarely earn editorial backlinks — there's nothing proprietary to cite.
How do I track which image platform submissions are generating backlinks? Use Backlynk's link analyzer to monitor new referring domains and filter by source. In GA4, use the Source/Medium report filtered to image platform domains to track referral sessions. In Google Search Console, filter the Performance report to "Image" search type to see Google Image Search impressions and clicks — this shows which submitted images are gaining organic visibility.
Should I create an embed code for my infographic? Yes — this is one of the highest-ROI distribution tactics available. A pre-built embed code with proper attribution and a backlink to your source page makes it frictionless for other publishers to embed your infographic correctly. Per Fractl's research, embed code distribution increases organic editorial backlinks by 3.2x compared to distribution without one. Include the embed code directly below the infographic on your own site, and mention it explicitly in your outreach and platform descriptions.
---
*For a complete off-page SEO strategy combining image submission with directory links and profile building, explore Backlynk's curated directory database to identify the best submission targets for your industry — then layer in image and video platform distribution to maximize indexed content instances across high-DA domains.*